Knife



FIG. 1 is a perspective view of a knife, showing my new design with three knife blades thereof in a fully retracted position;

FIG. 2 is a right-side elevational view of FIG. 1;

FIG. 3 is a left-side elevational view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1;

FIG. 6 is a top plan view of FIG. 1;

FIG. 7 is a bottom plan view of FIG. 1;

FIG. 8 is a perspective view thereof, showing a third knife blad fully extended and two other knife blades partially extended;

FIG. 9 is a right-side elevational view thereof, illustrated with the first knife blade in the fully extended position, and the other two knife blades in the retracted position;

FIG. 10 is a right-side elevational view thereof, illustrated with the second knife blade in the fully extended position, and the other two knife blades in the retracted position;

FIG. 11 is a right-side elevational view thereof, illustrated with the third knife blade in the fully extended position, and the other two knife blades in the retracted position; and,

FIG. 12 is a top plan view thereof, illustrated with all three knife blades in the fully extended position.

The broken lines showing a logo and text in the figures depict environmental matter and form no part of the claimed design. 

CLAIM I claim the ornamental design for a knife, as shown and described. 